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从 .dtx 创建 csv 文件：顶部有空白行

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从 .dtx 创建 csv 文件：顶部有空白行

我正在做一个.dtx项目，我可能会在 中嵌入数据以.dtx写入几个.csv文件。我遇到的问题是，在每个 的第一行输出之前插入了一个换行符.csv。这在 的开头显示为一个空行。除非我编写一个复杂的捕获例程（我试图避免这种情况），否则.csv当我的包从 读取时，这可能会造成问题。.csv

有没有办法让实际数据的第一行成为的第一行.csv？

以下是的 MWE .dtx：

% \iffalse meta-comment
% !TEX program  = pdfLaTeX
%<*internal>
\iffalse
%</internal>
%<*readme>
----------------------------------------------------------------
A test file
----------------------------------------------------------------

This package is a test.
%</readme>
%<*internal>
\fi

\def\nameofplainTeX{plain}
\ifx\fmtname\nameofplainTeX\else
  \expandafter\begingroup
\fi
%</internal>
%<*install>
\input docstrip.tex
\keepsilent
\askforoverwritefalse
\preamble
----------------------------------------------------------------
A test file
----------------------------------------------------------------

\endpreamble
\postamble

Copyright (C) 2015 by test file

\endpostamble
\usedir{./}
\generate{
  \file{\jobname.sty}{\from{\jobname.dtx}{package}}
}

%</install>
%<install>\endbatchfile
%<*internal>
\usedir{./}
\generate{
  \file{\jobname.ins}{\from{\jobname.dtx}{install}}
}
\nopreamble\nopostamble
\usedir{./}
\generate{\file{README.}{\from{\jobname.dtx}{readme}}}
\nopreamble\nopostamble
\generate{\file{csvfirst.csv}{\from{\jobname.dtx}{csv1}}}
\nopreamble\nopostamble
\generate{\file{csvsecond.csv}{\from{\jobname.dtx}{csv2}}}

\ifx\fmtname\nameofplainTeX
  \expandafter\endbatchfile
\else
  \expandafter\endgroup
\fi
%</internal>
%
%<*package>
\NeedsTeXFormat{LaTeX2e}
\ProvidesPackage{csvtesterstuff}[2015/08/28 v0.01 LaTeX package for incorporating csv data in dtx]
\RequirePackage{pythontex}
\RequirePackage{siunitx}
%</package>
%
%<*driver>
\documentclass{ltxdoc}
\usepackage[T1]{fontenc}
\usepackage{lmodern}
\usepackage{\jobname}
\usepackage[numbered]{hypdoc}
\usepackage{isotope}
\EnableCrossrefs
\CodelineIndex
\RecordChanges
\begin{document}
  \DocInput{\jobname.dtx}
\end{document}
%
%</driver>
% \fi
% 
%\GetFileInfo{\jobname.sty}
%
%\title{^^A
%  \textsf{csvtest} --- provides a test for csv inclusion\thanks{^^A
%    This file describes version \fileversion, last revised \filedate.^^A
%  }^^A
%}
%\author{^^A
%  testing\thanks{E-mail: testing}^^A
%}
%\date{Released \filedate}
%
%\maketitle
%
%\changes{v0.01}{2015/08/28}{First public release}
%
%    Testing the inclusion of csv data in a .dtx file.\par
%
%\DescribeMacro{\stub}
% This is a stub.
%~
%
%~
%
%\StopEventually{^^A
%    \PrintChanges
%    \PrintIndex
%}

% \iffalse
%<*package>
%<<pythoncode

\begin{pycode}
import sys
import fileinput
import csv
from subprocess import check_output

u2Mev=931.502
u2kev=u2Mev*1000.
Mev2u=1.0/u2Mev
kev2u=1.0/u2kev
u2kg=1.660539e-27
kg2u=1.0/u2kg

\end{pycode}
%pythoncode

%\begin{macro}{\stub}
%    \begin{macrocode}
\newcommand{\stub}{This is a stub.}
%    \end{macrocode}
%\end{macro}
%<<endinput
\endinput
%endinput
%</package>
%<*csv1>
bill,2,1,Bo,3.123
sally,3,2,Sa,4.323
%</csv1>
%
%<*csv2>
Hydrogen,H,1
Uranium,U,92
%</csv2>
% \fi
%\Finale

答案1

任何在 guards 之外的空白行都可以。你有

%\StopEventually{^^A
%    \PrintChanges
%    \PrintIndex
%}

% \iffalse
%<*package>
%<<pythoncode

应该是

%\StopEventually{^^A
%    \PrintChanges
%    \PrintIndex
%}
% \iffalse
%<*package>
%<<pythoncode

做出改变，你的杂散线就会消失。

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